#include <iostream>

int main() {
    using namespace std;

    int carrots;            // 声明一个变量

    carrots = 25;           // 赋值给变量

    cout << "I have ";
    cout << carrots;        // 输出变量的值
    cout << " carrots.";
    cout << endl;

    carrots = carrots - 1;  // 修改变量

    cout << "Crunch, crunch. Now I have " << carrots << " carrots." << endl;
}